Java Code Examples for org.apache.flink.runtime.operators.testutils.TestData.TupleConstantValueIterator

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Example 1
Source Project: flink   Source File: RandomSortMergeOuterJoinTest.java    License: Apache License 2.0 4 votes vote down vote up
@SuppressWarnings("unchecked, rawtypes")
protected void testOuterJoinWithHighNumberOfCommonKeys(
		FlinkJoinType outerJoinType, int input1Size, int input1Duplicates, int input1ValueLength,
		float input1KeyDensity, int input2Size, int input2Duplicates, int input2ValueLength,
		float input2KeyDensity) {
	TypeComparator<Tuple2<Integer, String>> comparator1 = new TupleComparator<>(
			new int[]{0},
			new TypeComparator<?>[]{new IntComparator(true)},
			new TypeSerializer<?>[]{IntSerializer.INSTANCE}
	);
	TypeComparator<Tuple2<Integer, String>> comparator2 = new TupleComparator<>(
			new int[]{0},
			new TypeComparator<?>[]{new IntComparator(true)},
			new TypeSerializer<?>[]{IntSerializer.INSTANCE}
	);

	final int duplicateKey = 13;

	try {
		final TupleGenerator generator1 = new TupleGenerator(SEED1, 500, input1KeyDensity, input1ValueLength, KeyMode.SORTED_SPARSE, ValueMode.RANDOM_LENGTH, null);
		final TupleGenerator generator2 = new TupleGenerator(SEED2, 500, input2KeyDensity, input2ValueLength, KeyMode.SORTED_SPARSE, ValueMode.RANDOM_LENGTH, null);

		final TupleGeneratorIterator gen1Iter = new TupleGeneratorIterator(generator1, input1Size);
		final TupleGeneratorIterator gen2Iter = new TupleGeneratorIterator(generator2, input2Size);

		final TupleConstantValueIterator const1Iter = new TupleConstantValueIterator(duplicateKey, "LEFT String for Duplicate Keys", input1Duplicates);
		final TupleConstantValueIterator const2Iter = new TupleConstantValueIterator(duplicateKey, "RIGHT String for Duplicate Keys", input2Duplicates);

		final List<MutableObjectIterator<Tuple2<Integer, String>>> inList1 = new ArrayList<>();
		inList1.add(gen1Iter);
		inList1.add(const1Iter);

		final List<MutableObjectIterator<Tuple2<Integer, String>>> inList2 = new ArrayList<>();
		inList2.add(gen2Iter);
		inList2.add(const2Iter);

		MutableObjectIterator<Tuple2<Integer, String>> input1 = new MergeIterator<>(inList1, comparator1.duplicate());
		MutableObjectIterator<Tuple2<Integer, String>> input2 = new MergeIterator<>(inList2, comparator2.duplicate());

		// collect expected data
		final Map<Integer, Collection<Match>> expectedMatchesMap = joinValues(
				RandomSortMergeInnerJoinTest.collectData(input1),
				RandomSortMergeInnerJoinTest.collectData(input2),
				outerJoinType);

		// re-create the whole thing for actual processing

		// reset the generators and iterators
		generator1.reset();
		generator2.reset();
		const1Iter.reset();
		const2Iter.reset();
		gen1Iter.reset();
		gen2Iter.reset();

		inList1.clear();
		inList1.add(gen1Iter);
		inList1.add(const1Iter);

		inList2.clear();
		inList2.add(gen2Iter);
		inList2.add(const2Iter);

		input1 = new MergeIterator<>(inList1, comparator1.duplicate());
		input2 = new MergeIterator<>(inList2, comparator2.duplicate());

		StreamOperator operator = getOperator(outerJoinType);
		RandomSortMergeInnerJoinTest.match(expectedMatchesMap,
				RandomSortMergeInnerJoinTest.transformToBinary(myJoin(operator, input1, input2)));

		// assert that each expected match was seen
		for (Entry<Integer, Collection<Match>> entry : expectedMatchesMap.entrySet()) {
			if (!entry.getValue().isEmpty()) {
				Assert.fail("Collection for key " + entry.getKey() + " is not empty");
			}
		}
	} catch (Exception e) {
		e.printStackTrace();
		Assert.fail("An exception occurred during the test: " + e.getMessage());
	}
}
 
Example 2
Source Project: flink   Source File: RandomSortMergeOuterJoinTest.java    License: Apache License 2.0 4 votes vote down vote up
@SuppressWarnings("unchecked, rawtypes")
protected void testOuterJoinWithHighNumberOfCommonKeys(
		FlinkJoinType outerJoinType, int input1Size, int input1Duplicates, int input1ValueLength,
		float input1KeyDensity, int input2Size, int input2Duplicates, int input2ValueLength,
		float input2KeyDensity) {
	TypeComparator<Tuple2<Integer, String>> comparator1 = new TupleComparator<>(
			new int[]{0},
			new TypeComparator<?>[]{new IntComparator(true)},
			new TypeSerializer<?>[]{IntSerializer.INSTANCE}
	);
	TypeComparator<Tuple2<Integer, String>> comparator2 = new TupleComparator<>(
			new int[]{0},
			new TypeComparator<?>[]{new IntComparator(true)},
			new TypeSerializer<?>[]{IntSerializer.INSTANCE}
	);

	final int duplicateKey = 13;

	try {
		final TupleGenerator generator1 = new TupleGenerator(SEED1, 500, input1KeyDensity, input1ValueLength, KeyMode.SORTED_SPARSE, ValueMode.RANDOM_LENGTH, null);
		final TupleGenerator generator2 = new TupleGenerator(SEED2, 500, input2KeyDensity, input2ValueLength, KeyMode.SORTED_SPARSE, ValueMode.RANDOM_LENGTH, null);

		final TupleGeneratorIterator gen1Iter = new TupleGeneratorIterator(generator1, input1Size);
		final TupleGeneratorIterator gen2Iter = new TupleGeneratorIterator(generator2, input2Size);

		final TupleConstantValueIterator const1Iter = new TupleConstantValueIterator(duplicateKey, "LEFT String for Duplicate Keys", input1Duplicates);
		final TupleConstantValueIterator const2Iter = new TupleConstantValueIterator(duplicateKey, "RIGHT String for Duplicate Keys", input2Duplicates);

		final List<MutableObjectIterator<Tuple2<Integer, String>>> inList1 = new ArrayList<>();
		inList1.add(gen1Iter);
		inList1.add(const1Iter);

		final List<MutableObjectIterator<Tuple2<Integer, String>>> inList2 = new ArrayList<>();
		inList2.add(gen2Iter);
		inList2.add(const2Iter);

		MutableObjectIterator<Tuple2<Integer, String>> input1 = new MergeIterator<>(inList1, comparator1.duplicate());
		MutableObjectIterator<Tuple2<Integer, String>> input2 = new MergeIterator<>(inList2, comparator2.duplicate());

		// collect expected data
		final Map<Integer, Collection<Match>> expectedMatchesMap = joinValues(
				RandomSortMergeInnerJoinTest.collectData(input1),
				RandomSortMergeInnerJoinTest.collectData(input2),
				outerJoinType);

		// re-create the whole thing for actual processing

		// reset the generators and iterators
		generator1.reset();
		generator2.reset();
		const1Iter.reset();
		const2Iter.reset();
		gen1Iter.reset();
		gen2Iter.reset();

		inList1.clear();
		inList1.add(gen1Iter);
		inList1.add(const1Iter);

		inList2.clear();
		inList2.add(gen2Iter);
		inList2.add(const2Iter);

		input1 = new MergeIterator<>(inList1, comparator1.duplicate());
		input2 = new MergeIterator<>(inList2, comparator2.duplicate());

		StreamOperator operator = getOperator(outerJoinType);
		RandomSortMergeInnerJoinTest.match(expectedMatchesMap,
				RandomSortMergeInnerJoinTest.transformToBinary(myJoin(operator, input1, input2)));

		// assert that each expected match was seen
		for (Entry<Integer, Collection<Match>> entry : expectedMatchesMap.entrySet()) {
			if (!entry.getValue().isEmpty()) {
				Assert.fail("Collection for key " + entry.getKey() + " is not empty");
			}
		}
	} catch (Exception e) {
		e.printStackTrace();
		Assert.fail("An exception occurred during the test: " + e.getMessage());
	}
}